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Vocabulary Reference

EnergyEfficiency

class

Energy Efficiency

EU Energy Label data including efficiency class (A-G), power consumption metrics, and EPREL registry information per EU Energy Labeling Regulation 2019/2021.

URI:https://ref.openepcis.io/extensions/eu/electronics/EnergyEfficiency

Upstream alignment

How this class and its properties align to external and upstream vocabularies. Open a vocabulary to see the exact term-by-term relationships.

GS15 termsSchema.org2 terms

Properties (8)

DescriptionDomainRangeVocabularies
energyLabelUrl
Energy Label URL
URL to the EU Energy Label image.euelec:EnergyEfficiencyxsd:anyURI Public—
eprelProductUrl
EPREL Product URL
URL to the product page in the EPREL database.euelec:EnergyEfficiencyxsd:anyURI Public—
eprelRegistrationNumber
EPREL Registration Number
European Product Registry for Energy Labelling (EPREL) registration number.euelec:EnergyEfficiencyxsd:string Public—
hasAnnualEnergyConsumption
Annual Energy Consumption
Annual energy consumption in kWh. Use gs1:QuantitativeValue with unitCode 'KWH'.euelec:EnergyEfficiencygs1:QuantitativeValue Public—
hasEnergyEfficiencyClass
Energy Efficiency Class
EU Energy Label class (A-G).euelec:EnergyEfficiencyeuelec:EnergyEfficiencyClass Public—
hasPowerConsumptionOff
Power Consumption Off
Power consumption when switched off but plugged in. Use gs1:QuantitativeValue with unitCode 'WTT'.euelec:EnergyEfficiencygs1:QuantitativeValue Public—
hasPowerConsumptionOn
Power Consumption On
Power consumption when device is on/active. Use gs1:QuantitativeValue with unitCode 'WTT'.euelec:EnergyEfficiencygs1:QuantitativeValue Public—
hasPowerConsumptionStandby
Power Consumption Standby
Power consumption in standby mode. Use gs1:QuantitativeValue with unitCode 'WTT'.euelec:EnergyEfficiencygs1:QuantitativeValue Public—

Vocabulary alignment

Broader · upstream
Schema.orgschema:EnergyConsumptionDetails · QA 82% Schema.orgschema:EnergyEfficiencyEnumeration · QA 78%
See also
Schema.orgschema:EUEnergyEfficiencyEnumeration · QA 93%

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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Subclass Of

oec:EnergyEfficiency

Used as Range (1)

hasEnergyEfficiency

Where used

Referenced by other terms (9)

In SHACL shapes (2)

  • EnergyEfficiencyShapetargets
  • ElectronicDeviceShapeclass-of

In example documents (8)

Master data & product examples

References

JSON-LD Example 

{
  "@context": "https://ref.openepcis.io/extensions/eu/electronics/electronics-context.jsonld",
  "type": "EnergyEfficiency",
  "energyLabelUrl": "...",
  "eprelProductUrl": "...",
  "eprelRegistrationNumber": "..."
}